<template>
  <div class="main">
    <!-- <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"    
      @submit="handleSubmit"
    >
      <a-tabs
        :activeKey="customActiveKey"
        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick"
      >
        <a-tab-pane key="tab1" tab="账号密码登录">
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="账户: admin"
              value='admin'
              v-decorator="[
                'username',
                {rules: [{ required: true, message: '请输入帐户名或邮箱地址' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change'}
              ]"
            >
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>

          <a-form-item>
            <a-input
              size="large"
              type="password"
              autocomplete="false"
              value='admin'
              placeholder="密码: admin or ant.design"
              v-decorator="[
                'password',
                {rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur'}
              ]"
            >
              <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>
        </a-tab-pane>
        <a-tab-pane key="tab2" tab="手机号登录">
          <a-form-item>
            <a-input size="large" type="text" placeholder="手机号" v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change'}]">
              <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>

          <a-row :gutter="16">
            <a-col class="gutter-row" :span="16">
              <a-form-item>
                <a-input size="large" type="text" placeholder="验证码" v-decorator="['captcha', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}]">
                  <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                </a-input>
              </a-form-item>
            </a-col>
            <a-col class="gutter-row" :span="8">
              <a-button
                class="getCaptcha"
                tabindex="-1"
                :disabled="state.smsSendBtn"
                @click.stop.prevent="getCaptcha"
                v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
              ></a-button>
            </a-col>
          </a-row>
        </a-tab-pane>
      </a-tabs>

      <a-form-item>
        <a-checkbox v-decorator="['rememberMe']">自动登录</a-checkbox>
        <router-link
          :to="{ name: 'recover', params: { user: 'aaa'} }"
          class="forge-password"
          style="float: right;"
        >忘记密码</router-link>
      </a-form-item>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >确定</a-button>
      </a-form-item>


    </a-form>

    <two-step-captcha
      v-if="requiredTwoStepCaptcha"
      :visible="stepCaptchaVisible"
      @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"
    ></two-step-captcha> -->
     <img :src="loginQrCode" alt="" class="login_qrcode">
     <p class='login_tip' v-if="qrCodeStatus==1">使用微信扫描二维码登录</p>
      <template v-if="qrCodeStatus==3">
             <p class='login_tip'>二维码已过期</p>
             <p style="text-align:center;">您可以<span  style="color:#FFDB32" @click="refreshQrcode">刷新二维码</span>重新扫码验证,或关闭窗口</p>
      </template>
      <template v-if="qrCodeStatus==2">
             <p class='login_tip'>使用微信扫描二维码登陆</p>
             <p style="text-align:center">扫描成功，欢迎<span  style="color:#FFDB32">哈哈哈</span>登录！</p>
      </template>
    
  </div>
</template>

<script>
import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix,uuid,} from '@/utils/util'
import { getSmsCaptcha, get2step } from '@/api/login'
import { constants } from 'crypto';

export default {
  components: {
    TwoStepCaptcha
  },
  data () {
    return {
      uuid:null,
      loginQrCode:null,
      qrCodeStatus:1,   //1.等待扫码  2.扫描成功  3.扫描过期
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
    let that=this;
    get2step({ })
      .then(res => {
        this.requiredTwoStepCaptcha = res.result.stepCode
      })
      .catch(() => {
        this.requiredTwoStepCaptcha = false
      })

      that.loginOperation();
  },
  methods: {
    ...mapActions(['Login', 'Logout','SaveInfo']),
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values }
          delete loginParams.username
          loginParams[!state.loginType ? 'email' : 'username'] = values.username
          loginParams.password = md5(values.password)
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const { form: { validateFields }, state } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile }).then(res => {
            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功，您的验证码为：' + res.result.captcha,
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      console.log(res)
     //  this.$router.push({ name: 'dashboard1' })
        this.$router.push({ path: '/dashboard'})
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      }, 1000)
    },
    requestFailed (err) {
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    },
//刷新二维码
    refreshQrcode(e){
      const that=this;
      that.loginOperation();

    },
    //获取二维码  websokcet封装
    loginOperation(){
      const that=this;
        const {
        SaveInfo
      } = this
          // let uuidValue=uuid();
    let uuidValue='dc320036b4fd11e9b6e100163e10f162';
    var websocket=null;


    //获取登录二维码  接口
     this.loginQrCode="http://xsxz-dev.shouhuobao.com/web/login/loginQrCode?loginToken="+uuidValue;


      //判断当前浏览器是否支持WebSocket
    if('WebSocket' in window){
        websocket = new WebSocket("ws://xsxz-dev.shouhuobao.com/loginSocket?device=5&version=3900&loginToken="+uuidValue);
    }else{
        alert('Not support websocket')
    }

  /**
   * 以下是websocket监听器
   */
     //连接发生错误的回调方法
    websocket.onerror = function(){
        console.info('websocket连接监听错误')      
       
    };

    //连接成功建立的回调方法
    websocket.onopen = function(event){
        console.info('websocket连接成功打开')      

    }

    //接收到消息的回调方法
    websocket.onmessage = function(e){
         console.info('websocket连接监听到服务器的消息');
         console.info(event);
         debugger
         var messageStr=JSON.parse(e.data);
         if(messageStr.type==1){//连接成功；
            that.qrCodeStatus=1;
         }else if(messageStr.type==109){//扫描成功
             that.qrCodeStatus=2;
             var userId=messageStr.obj.userId;

            SaveInfo({result:{token: userId}});
            
             localStorage.setItem('userId',userId);
              // that.$router.push({ path: '/dashboard/workplace'})
        
              that.loginSuccess(e);

         }
          
    }

    //连接关闭的回调方法
    websocket.onclose = function(){
        console.info('websocket连接监听关闭')  
        //二维码关闭
        //关闭 二维码失效
        that.qrCodeStatus=3;
    }

    //监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
    window.onbeforeunload = function(){
        websocket.close();
    }

    },
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
.login_qrcode{
  width: 263px;
  height: 266px;
  margin:0 auto;
  display: block;
}
.login_tip{
 
  font-size: 20px;
  font-weight: 500;
  text-align:center;
  margin-top:20px;
}
</style>
